Transplantation · 2005
Immunosuppression with cyclosporine A and mycophenolate mofetil after penetrating high-risk keratoplasty: a retrospective study.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Birnbaum Florian, Böhringer Daniel, Sokolovska Yevgenia, Sundmacher Rainer, Reinhard Thomas
Аннотация
BACKGROUND: Graft-prognosis after penetrating high-risk keratoplasty has improved considerably with the use of systemic immunosuppressive medications. In this retrospective investigation we analyzed the long-term results of 417 high-risk keratoplasties with systemic immunosuppression (cyclosporine A [CsA] or mycophenolate mofetil [MMF]).
METHODS: A total of 417 high-risk keratoplasties with postoperative systemic immunosuppression were evaluated retrospectively: CsA has been given in 252 keratoplasties since 1987, aiming at blood trough levels of 120 to 150 ng/mL. Systemic MMF at a daily dose of 2 x 1 g was administered in 149 surgical procedures. After 16 high-risk keratoplasties, combined systemic immunosuppression with CsA and MMF was administered. Systemic immunosuppression was scheduled for 6 to 12 months. All patients received fluocortolone 1 mg/kg body weight per day, tapered over 3 weeks, and topical prednisolone acetate 1%, tapered over 5 months.
RESULTS: Rejection-free graft survival after 1 year was 75% in the CsA group and 89% in the MMF group; 60% of the grafts in the CsA group and 72% of the grafts in the MMF group were rejection-free 3 years postoperatively (Kaplan-Meier log-rank test P=0.03). Clear graft survival after 1 and 3 years was 92% and 77% (CsA) and 96% and 87% (MMF), respectively. The MMF-treated patients showed fewer side effects than the CsA-treated patients. The side effects attributable to both drugs were reversible.
CONCLUSIONS: We found a statistically significant, stronger effect of MMF compared with CsA in preventing immune reactions after high-risk keratoplasty, despite a shorter MMF administration compared with CsA. Both systemic immunosuppressants were shown to have comparable potency regarding clear graft survival and were well tolerated.
METHODS: A total of 417 high-risk keratoplasties with postoperative systemic immunosuppression were evaluated retrospectively: CsA has been given in 252 keratoplasties since 1987, aiming at blood trough levels of 120 to 150 ng/mL. Systemic MMF at a daily dose of 2 x 1 g was administered in 149 surgical procedures. After 16 high-risk keratoplasties, combined systemic immunosuppression with CsA and MMF was administered. Systemic immunosuppression was scheduled for 6 to 12 months. All patients received fluocortolone 1 mg/kg body weight per day, tapered over 3 weeks, and topical prednisolone acetate 1%, tapered over 5 months.
RESULTS: Rejection-free graft survival after 1 year was 75% in the CsA group and 89% in the MMF group; 60% of the grafts in the CsA group and 72% of the grafts in the MMF group were rejection-free 3 years postoperatively (Kaplan-Meier log-rank test P=0.03). Clear graft survival after 1 and 3 years was 92% and 77% (CsA) and 96% and 87% (MMF), respectively. The MMF-treated patients showed fewer side effects than the CsA-treated patients. The side effects attributable to both drugs were reversible.
CONCLUSIONS: We found a statistically significant, stronger effect of MMF compared with CsA in preventing immune reactions after high-risk keratoplasty, despite a shorter MMF administration compared with CsA. Both systemic immunosuppressants were shown to have comparable potency regarding clear graft survival and were well tolerated.